Home / 18,744.37-28,106.22-6,257.81

Finding the Fourth Proportional to 18,744.37, 28,106.22 and 6,257.81

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Solution

The fourth proportional to 18,744.37, 28,106.22 and 6,257.81 is: 9,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.37 : 28,106.22 = 6,257.81 : x
  2. Step 2: Convert to fraction form
    18,744.37/28,106.22 = 6,257.81/x
  3. Step 3: Cross multiply
    18,744.37x = 28,106.22 × 6,257.81
  4. Step 4: Simplify right side
    18,744.37x = 175,883,478.31
  5. Step 5: Solve for x
    x = 175,883,478.31/18,744.37
  6. Step 6: Final answer
    x = 9,383.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.